Base LIT test off of basic.ll instead.

Author: amy-kwan

llvm/test/Transforms/GlobalMerge/private-global.ll

@@ -1,31 +1,36 @@
 ; RUN: opt -global-merge -global-merge-max-offset=100 -S -o - %s | FileCheck %s
 ; RUN: opt -passes='global-merge<max-offset=100>' -S -o - %s | FileCheck %s
 
-; NOTE: This is a copy of the llvm/test/Transforms/GlobalMerge/used.ll test,
+; NOTE: This is a copy of the llvm/test/Transforms/GlobalMerge/basic.ll test,
 ; using `private` global variables instead of `internal`. This is to show that
 ; that private globals can be merged in the GlobalMerge pass.
 
 target datalayout = "e-p:64:64"
 target triple = "x86_64-unknown-linux-gnu"
 
-; CHECK: @_MergedGlobals = private global <{ i32, i32 }> <{ i32 3, i32 3 }>, align 4
+; CHECK: @_MergedGlobals = private global <{ i32, i32 }> <{ i32 1, i32 2 }>, align 4
+; CHECK: @_MergedGlobals.1 = private global <{ i32, i32 }> <{ i32 3, i32 4 }>, section "foo", align 4
 
+; CHECK-DAG: @a = private alias i32, ptr @_MergedGlobals{{$}}
 @a = private global i32 1
+
+; CHECK-DAG: @b = private alias i32, getelementptr inbounds (<{ i32, i32 }>, ptr @_MergedGlobals, i32 0, i32 1)
 @b = private global i32 2
-@c = private global i32 3
-@d = private global i32 3
 
-@llvm.used = appending global [1 x ptr] [ptr @a], section "llvm.metadata"
-@llvm.compiler.used = appending global [1 x ptr] [ptr @b], section "llvm.metadata"
+; CHECK-DAG: @c = private alias i32, ptr @_MergedGlobals.1{{$}}
+@c = private global i32 3, section "foo"
+
+; CHECK-DAG: @d = private alias i32, getelementptr inbounds (<{ i32, i32 }>, ptr @_MergedGlobals.1, i32 0, i32 1)
+@d = private global i32 4, section "foo"
 
 define void @use_private() {
-  ; CHECK: load i32, ptr @a
+  ; CHECK: load i32, ptr @_MergedGlobals,
   %x = load i32, ptr @a
-  ; CHECK: load i32, ptr @b
+  ; CHECK: load i32, ptr getelementptr inbounds (<{ i32, i32 }>, ptr @_MergedGlobals, i32 0, i32 1)
   %y = load i32, ptr @b
-  ; CHECK: load i32, ptr @_MergedGlobals
+  ; CHECK: load i32, ptr @_MergedGlobals.1
   %z1 = load i32, ptr @c
-  ; CHECK: load i32, ptr getelementptr inbounds (<{ i32, i32 }>, ptr @_MergedGlobals, i32 0, i32 1)
+  ; CHECK: load i32, ptr getelementptr inbounds (<{ i32, i32 }>, ptr @_MergedGlobals.1, i32 0, i32 1)
   %z2 = load i32, ptr @d
   ret void
 }